1300W RMS15” PA Active Speaker System office phones it also operates on AC

it also operates on AC and battery power

Stream music wireless to your sound bar from your mobile or tablet device

such as: 19-key anti-ghosting

Bluetooth Connectivity: Seamlessly connect your devices wirelessly to the SF-11 speaker

Achieve a powerful stereo sound that enhances your music

1300W RMS15” PA Active Speaker System office phones it also operates on AC1300W RMS15 PA Active Speaker System, Compact Portable With Bass, treble,Bluetooth,FM,MP3,USB,SD Card Slot,1 4, Echo Microphone input 3. 5mm Aux, LED RGB Light, Carry Handles CLEAR SOUND PERFORMANCE WITH BLUETOOTH CONNECTION : 15 Inch Powerful Active 1300W DJ PA Amplifier System Connect your favorite Music to the Built in Bluetooth connection directly from your Phone, or Music Player no cables needed POWERFUL 1300RMS WATT ACTIVE PA SPEAKER WOOFER